Shifts of transfusion demand in cardiac surgery after implementation of rotational thromboelastometry-guided transfusion protocols: analysis of the HEROES-CS (HEmostasis Registry of patiEntS in Cardiac Surgery) observational, prospective open cohort database - Kuiper, G JAJM; van Egmond, L T; Henskens, Y MC (J Cardiothorac Vasc Anesth, 2019)